If you're removing the turbo manifolds / exhaust manifolds on an S63 or S63TU V8 engine, you'll want to come prepared with all the needed hardware. Fresh exhaust studs should be high on the list! This is one (single) M8x40 ASA Bolt style exhaust stud, very specific to the S63, S63TU V8 (as well as the Motorsport P63 engine).
Sold individually. Be sure to order enough for your repair work. There are 8 used per bank of cylinders, and 16 total per engine.
F10 / F11 (11-16) > M5 (2013-2016)
F90 (2018+) > M5 (2018+)
F12 / F13 (12-18) > M6
F91 / F92 / F93 (2020+) > M8 / M8 Competition
E70 X5 (07-13) > X5 M
F85 X5 M (2015-2018) > X5 M
F95 X5 M (2020-) > X5 M
E71 X6 (2008-2014) > X6 M
F86 X6 M (2015-2019) > X6 M
F96 X6 M (2020-) > X6 M